#include #include #include #include #include using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i< (int)(n); i++) int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, q; cin >> n >> q; set high, low; for(int i=1; i+1<=n; i+=2){ cout << "? " << i << " " << i << " " << i+1 << " " << i+1 << endl; int j; cin >> j; if(j == -1){ return 0; } if(j == 1){ high.insert(i+1); low.insert(i); }else{ high.insert(i); low.insert(i+1); } } if(n % 2 != 0){ high.insert(n); low.insert(n); } while(low.size() > 1){ queue que; while(low.size() > 0){ que.push(*low.begin()); low.erase(*low.begin()); } while(que.size() > 1){ int a = que.front(); que.pop(); int b = que.front(); que.pop(); cout << "? " << a << " " << a << " " << b << " " << b << endl; int j; cin >> j; if(j == -1){ return 0; } if(j == 0){ low.insert(b); }else{ low.insert(a); } } while(!que.empty()){ low.insert(que.front()); que.pop(); } } while(high.size() > 1){ queue que; while(high.size() > 0){ que.push(*high.begin()); high.erase(*high.begin()); } while(que.size() > 1){ int a = que.front(); que.pop(); int b = que.front(); que.pop(); cout << "? " << a << " " << n << " " << b << " " << n << endl; int j; cin >> j; if(j == -1){ return 0; } if(j == 0){ high.insert(a); }else{ high.insert(b); } } while(!que.empty()){ high.insert(que.front()); que.pop(); } } cout << "! " << *low.begin() << " " << *low.begin() << " " << *high.begin() << " " << n << endl; return 0; }